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Document No. 008-0325-0
Page 3 - 4
Rev. A
CTS Electronic Components, Inc. 171 Covington Drive Bloomingdale, IL 60108
ATP-SM
Low Cost Quartz Crystal
MECHANICAL SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
PARAMETER
VALUE
Operating Mode
Fundamental or 3rd Overtone
Crystal Cut
AT-Cut Characteristics
Frequency Range
3.5 MHz to 40.0 MHz
Frequency Tolerance @ 25°C
± 50 ppm Standard *
Frequency Stability Tolerance
(Operating Temperature Range, Referenced to 25°C Reading)
Operating Temperature Range
-20°C to +70°C *
Storage Temperature Range
-55°C to +125°C
Equivalent Series Resistance
See ESR Table
Load Capacitance or Resonance Mode
See Standard Part Number Tables *
Shunt Capacitance (C0)
7.0 pF Maximum
Drive Level
10 W Typical, 100 W Maximum
Reflow Condition, per JEDEC J-STD-020
+255°C ± 5°C, 10 Seconds Maximum
E
lec
tr
ic
al
P
aramet
ers
± 50 ppm Standard *
* Custom requirements are available upon request. Use form C052 to communicate crystal parameters.
Contact your local CTS Representative or CTS Customer Service for assistance.
EQUIVALENT SERIES RESISTANCE TABLE
FREQUENCY RANGE
MODE of OSCILLATION
ESR Maximum
3.50 MHz - < 4.00 MHz
Fundamental
200 Ohms
4.00 MHz - < 6.00 MHz
Fundamental
150 Ohms
6.00 MHz - < 10.00 MHz
Fundamental
100 Ohms
10.0 MHz - < 27.00 MHz
Fundamental
50 Ohms
27.00 MHz - < 36.00 MHz
Fundamental
50 Ohms
27.00 MHz - < 36.00 MHz
3RD Overtone
100 Ohms
36.00 MHz - 40.00 MHz
3RD Overtone
80 Ohms
SUGGESTED SOLDER PAD GEOMETRY
0.071 [1.80]
3
1
4
2
0.370 [9.40]
0.138 [3.50]
0.071 [1.80]
Key:
[mm]
Inch
NOTES
1.
Lead finish (e5), SnZnCu.
ATS-SM PACKAGE DRAWING
Inch
( MM )
Key:
4
1
3
2
Max
( 3.7 )
0.15
Max
( 4.6 )
0.18
Max
( 12.5 )
0.49
( 9.4 ± 0.1 )
0.37 ± 0.004
0.03
( 0.8 )
2
1
3
4
( 0.8 )
0.03
MARKING INFORMATION
1. CTS Part Number.
2. ** - Manufacturing Site Code.
3. YYWW – Date Code, YY – year, WW – week.
4. CTS part number, frequency value and date code
information must appear on reel and box labels.
ATPXXXSM
CTS ** YYWW